Even if people just change two or three things that they are able to sustain over time, it makes quite a difference eventually.

The vast knowledge we have to prevent cancer, heart disease, and other chronic illnesses is staggering.

The quickest way to be a little bit happier and more engaged in your job is to spend some time thinking about developing closer friendships.

People who have at least three or four very close friendships are healthier, have higher wellbeing, and are more engaged in their jobs. But the absence of any close friendships can lead to boredom, loneliness, and depression.

Spending on oneself does not boost wellbeing. However, spending money on others does -- and it appears to be as important to people's happiness as the total amount of money they make.

The most successful people start with dominant talent—and then add skills, knowledge, and practice to the mix. When they do this, the raw talent actually serves as a multiplier.

If we can find short-term incentives that are consistent with our long-term objectives, it is much easier to make the right decisions in the moment.